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Chemex 10 Cup

10-Cup Party Brew

Chemex 10 Cup Chemex by Chemex

This Chemex-attributed 10-cup party method comes from Clarity Coffee, using an extra-coarse grind and staged additions to manage a full brewer. It favors a clean, approachable batch for sharing without excessive extraction.

1:16.2 Ratio
6:30 Total
65g Dose
96°C Temp
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Parameters

65 g
Coffee
1050 g
Water
1:16.2
Ratio
96 °C
Temp
8 coarse
Grind
6:30
Total
~1050 ml
Yield
Grind · 8/10 · coarse
FINE COARSE

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Method

6:30 · total

Before you brew

  1. 1 Fold the filter, place its thick side over the pouring channel, rinse it thoroughly and discard the rinse water.
  2. 2 Preheat the brewer and serving vessel thoroughly with hot water.
  1. Bloom 1 / 7
    0:00
    24s

    Pour 120g in a spiral.

    +120g→ 120g Spiral 6g/s 20s 96°C
  2. Swirl 2 / 7
    0:24
    36s

    Stir gently until every ground is wet. Let it bloom.

    5s
  3. Pour 3 / 7
    1:00
    1m

    Wait until the previous pour has partially drained. Pour in a spiral to 350g. Keep the water below the rim; do not overfill it.

    +230g→ 350g Spiral 6.1g/s 38s
  4. Pour 4 / 7
    2:00
    1m

    Wait until the previous pour has partially drained. Pour in a spiral to 600g. Keep the water below the rim; do not overfill it.

    +250g→ 600g Spiral 6g/s 42s
  5. Pour 5 / 7
    3:00
    1m

    Wait until the previous pour has partially drained. Pour in a spiral to 850g. Keep the water below the rim; do not overfill it.

    +250g→ 850g Spiral 6g/s 42s
  6. Pour 6 / 7
    4:00
    2m30s

    Wait until the previous pour has partially drained. Finish in a spiral to 1050g. Keep the water below the rim; do not overfill it.

    +200g→ 1050g Spiral 6.1g/s 33s
  7. Done 7 / 7
    6:30

    Finish when the coffee stops dripping.

Notes

Preheat the brewer and server thoroughly before loading the large bed. Pour in stages and allow partial drainage between additions; keep the stream steady and below the filter edge. If the batch runs long or tastes dry, make the grind coarser rather than pouring faster.

Original source

Recipe by Chemex, published at claritycoffee.com.

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